160661065 has 16 divisors (see below), whose sum is σ = 200471040. Its totient is φ = 123471360.

The previous prime is 160661047. The next prime is 160661069. The reversal of 160661065 is 560166061.

It is not a de Polignac number, because 160661065 - 2⁷ = 160660937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (160661069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17817 + ... + 25273.

It is an arithmetic number, because the mean of its divisors is an integer number (12529440).

Almost surely, 2^160661065 is an apocalyptic number.

It is an amenable number.

160661065 is a deficient number, since it is larger than the sum of its proper divisors (39809975).

160661065 is a wasteful number, since it uses less digits than its factorization.

160661065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7632.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 160661065 is about 12675.2145938442. The cubic root of 160661065 is about 543.6301653391.

The spelling of 160661065 in words is "one hundred sixty million, six hundred sixty-one thousand, sixty-five".